Cited by 223Atmospheric Ozone and ClimateAtmospheric chemistry and aerosolsClimate variability and models

The importance of atmospheric chemistry in the calculation of radiative forcing on the climate system

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Hauglustaine, D. A., Granier, C., Brasseur, G. P., Mégie, G.·1994·Journal of Geophysical Research Atmospheres

Abstract

An interactive two‐dimensional model of the troposphere, stratosphere, and mesosphere, in which dynamics, radiation, and chemistry are treated interactively, is used to investigate the anthropogenic changes in the steady state chemical composition of the atmosphere since preindustrial times and to assess the associated changes in radiative forcing on climate. The perturbations in the atmospheric oxidation capacity due to anthropogenic emissions of source gases are found to be significant. In the troposphere, an ozone increase of 80–120% at northern midlatitudes and a global decrease of 10–20% in the OH concentration since the preindustrial period are calculated. In the polar lower stratosphere of the southern hemisphere, an ozone depletion since preindustrial times reaching more than 60% during spring is calculated as a result of rapid catalytical destruction of ozone by chlorine radicals in the presence of polar stratospheric clouds. Particular attention is given to the induced changes in radiative forcing. These results stress the potentially important role of chemical feedbacks on climate and indicate that the direct forcing associated with increasing concentrations of greenhouse gases is enhanced by about 30% when these feedbacks are taken into account. On a global average basis, the greenhouse effect of tropospheric ozone represents approximately 17% of the total radiative perturbation. This forcing is characterized by a strong latitudinal dependence, peaking at midlatitudes in the northern hemisphere. The importance of indirect climate forcings by stratospheric ozone (including local cooling of the stratosphere) is confirmed. It is found that the net (solar + infrared) indirect effect of stratospheric ozone changes is to increase the chlorofluorocarbon direct radiative forcing. On the other hand, the change in the longwave forcing associated with water vapor increase in the stratosphere appears to play a minor role.

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Crossref · 10.1029/93jd02987

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77 of 77 references verified0 citation errors · 0 not checkable

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  • Ozone is a potent greenhouse gas at upper tropospheric altitudes due to its ability to absorb IR, UV, and visible radiation.

    “Numerous studies have reported its potency as a greenhouse gas at these altitudes, due to its ability to absorb IR, UV and visible radiation [146][147][148][149].”

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Authors
Hauglustaine, D. A., Granier, C., Brasseur, G. P., & Mégie, G.
Venue
Journal of Geophysical Research Atmospheres
Published
1994-01-20
Volume
99
Issue
D1
Pages
1173-1186
ISSN
0148-0227 (ISSN-L)
OpenAlex
W1978621069
Cited by
223
References
77
Citations by year
2026: 1 · 2025: 5 · 2024: 7 · 2023: 7 · 2022: 2 · 2021: 15 · 2020: 3 · 2019: 5 · 2018: 1 · 2017: 2 · 2016: 1 · 2015: 2 · 2014: 4 · 2013: 11 · 2012: 7
FWCI
17.87
Type
journal article
Language
en
Open access
Locations
  • Journal of Geophysical Research Atmospheres (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric Ozone and Climate
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric chemistry and aerosols
  • Physical Sciences › Environmental Science › Global and Planetary Change › Climate variability and models
Keywords
radiative forcing, atmospheric chemistry, anthropogenic emissions, tropospheric ozone, stratospheric ozone depletion, polar stratospheric clouds, chlorine radicals, hydroxyl radicals, greenhouse effect, chemical feedback, chlorofluorocarbons, stratospheric cooling

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